<div class="sidebar col-2 bg-light">
    <div class="accordion" id="accordionExample">
            <div class="card">
              <div class="card-header" id="heading1">
                <h5 class="mb-0">
                  <button class="btn btn-primary w-100 text-left" type="button" data-toggle="collapse" data-target="#collapse1" aria-expanded="true" aria-controls="collapse1">
                      <i class="fa fa-desktop fa-lg"></i>&nbsp;控制台
                  </button>
                </h5>
              </div>
          
              <div id="collapse1" class="collapse show" aria-labelledby="heading1e" data-parent="#accordionExample">
                <div class="card-body">
                  <li class="list-group-item"><a href="{{__HOST__}}/admin" class="btn list-item w-100 text-left"><i class="fa fa-television fa-lg"></i>&nbsp;控制台</a></li>
                </div>
              </div>
            </div>
            <div class="card">
              <div class="card-header" id="heading2">
                <h5 class="mb-0">
                  <button class="btn btn-primary w-100 collapsed text-left" type="button" data-toggle="collapse" data-target="#collapse2" aria-expanded="false" aria-controls="collapse2">
                      <i class="fa fa-user-secret fa-lg"></i>&nbsp;管理员设置  
                  </button>
                </h5>
              </div>
              <div id="collapse2" class="collapse" aria-labelledby="heading2" data-parent="#accordionExample">
                <div class="card-body">
                        <ul class="list-group">
                                <li class="list-group-item"><a href="{{__HOST__}}/admin/admin/list" class="btn list-item w-100 text-left"><i class="fa fa-user fa-lg"></i>&nbsp;管理员列表</a></li>
                                <li class="list-group-item"><a href="{{__HOST__}}/admin/admin/add" class="btn list-item w-100 text-left"><i class="fa fa-user-plus fa-lg"></i>&nbsp;添加管理员</a></li>
                        </ul>
                
                </div>
              </div>
            </div>
            <div class="card">
              <div class="card-header" id="heading3">
                <h5 class="mb-0">
                  <button class="btn btn-primary w-100 collapsed text-left" type="button" data-toggle="collapse" data-target="#collapse3" aria-expanded="false" aria-controls="collapse3">
                      <i class="fa fa-users fa-lg"></i>&nbsp;客户信息管理
                  </button>
                </h5>
              </div>
              <div id="collapse3" class="collapse" aria-labelledby="headingThree" data-parent="#accordionExample">
                <div class="card-body">
                        <ul class="list-group">
                                <li class="list-group-item text-left"><a href="{{__HOST__}}/admin/user/list" class="btn list-item w-100 text-left"><i class="fa fa-vcard-o fa-lg"></i>&nbsp;客户信息列表</a></li>
                                <li class="list-group-item"><a href="{{__HOST__}}/admin/user/list" class="btn list-item w-100 text-left"><i class="fa fa-clone fa-lg"></i>&nbsp;添加客户信息</a></li>
                        </ul>
                </div>
              </div>
            </div>
            <div class="card">
                    <div class="card-header" id="heading4">
                      <h5 class="mb-0">
                        <button class="btn btn-primary w-100 collapsed text-left" type="button" data-toggle="collapse" data-target="#collapse4" aria-expanded="false" aria-controls="collapse4">
                            <i class="fa fa-list fa-lg"></i>&nbsp;商品信息管理
                        </button>
                      </h5>
                    </div>
                    <div id="collapse4" class="collapse" aria-labelledby="heading4" data-parent="#accordionExample">
                      <div class="card-body">
                            <ul class="list-group">
                                    <li class="list-group-item"><a href="{{__HOST__}}/admin/user/list" class="btn list-item w-100 text-left"><i class="fa fa-align-justify fa-lg"></i>&nbsp;商品信息列表</a></li>
                                    <li class="list-group-item"><a href="{{__HOST__}}/admin/user/list" class="btn list-item w-100 text-left"><i class="fa fa-paste fa-lg"></i>&nbsp;添加商品信息</a></li>
                            </ul>
                      </div>
                    </div>
                  </div>
                  <div class="card">
                        <div class="card-header" id="heading5">
                          <h5 class="mb-0">
                            <button class="btn btn-primary w-100 collapsed text-left" type="button" data-toggle="collapse" data-target="#collapse5" aria-expanded="false" aria-controls="collapse5">
                                <i class="fa fa-book fa-lg"></i>&nbsp;进销存管理
                            </button>
                          </h5>
                        </div>
                        <div id="collapse5" class="collapse" aria-labelledby="heading5" data-parent="#accordionExample">
                          <div class="card-body">
                            <ul class="list-group"></ul>
                              <li class="list-group-item"><a href="{{__HOST__}}/admin/user/list" class="btn list-item w-100 text-left"><i class="fa fa-connectdevelop fa-lg"></i>&nbsp;销售信息列表</a></li>
                              <li class="list-group-item"><a href="{{__HOST__}}/admin/user/list" class="btn list-item w-100 text-left"><i class="fa fa-connectdevelop fa-lg"></i>&nbsp;销售信息列表</a></li>
                            </ul>
                          </div>
                        </div>
                      </div>
                      <div class="card">
                            <div class="card-header" id="heading6">
                              <h5 class="mb-0">
                                <button class="btn btn-primary w-100 collapsed text-left" type="button" data-toggle="collapse" data-target="#collapse6" aria-expanded="false" aria-controls="collapse6">
                                    <i class="fa fa-pencil fa-lg"></i>&nbsp;账务信息管理
                                </button>
                              </h5>
                            </div>
                            <div id="collapse6" class="collapse" aria-labelledby="heading6" data-parent="#accordionExample">
                              <div class="card-body">
                                    <ul class="list-group"></ul>
                                    <li class="list-group-item"><a href="{{__HOST__}}/admin/user/list" class="btn list-item w-100 text-left"><i class="fa fa-money fa-lg"></i>&nbsp;账务信息列表</a></li>
                                    <li class="list-group-item"><a href="{{__HOST__}}/admin/user/list" class="btn list-item w-100 text-left"><i class="fa fa-money fa-lg"></i>&nbsp;添加账务信息</a></li>
                                    </ul>
                              </div>
                            </div>
                        </div>
                        <div class="card">
                                <div class="card-header" id="heading7">
                                  <h5 class="mb-0">
                                    <button class="btn btn-primary w-100 collapsed text-left" type="button" data-toggle="collapse" data-target="#collapse7" aria-expanded="false" aria-controls="collapse7">
                                        <i class="fa fa-cog fa-lg"></i>&nbsp;系统管理
                                    </button>
                                  </h5>
                                </div>
                                <div id="collapse7" class="collapse" aria-labelledby="heading7" data-parent="#accordionExample">
                                  <div class="card-body">
                                        <ul class="list-group"></ul>
                                        <li class="list-group-item">1</li>
                                        <li class="list-group-item">2</li>
                                        </ul>
                                  </div>
                                </div>
                            </div>
          </div>
</div>